add_executable(1_Detect_User_Error_Input "1_Detect_User_Error_Input.c")
add_executable(2_Whether_Leap_Year_Or_Not "2_Whether_Leap_Year_Or_Not.c")
add_executable(3_Find_Error_in_Code_v1 "3_Find_Error_in_Code_v1.c")
add_executable(4_Character_Type_Judgement "4_Character_Type_Judgement.c")
add_executable(5_Express_Fee_Calculate "5_Express_Fee_Calculate.c")
add_executable(6_Numerical_Digit_Split_v2 "6_Numerical_Digit_Split_v2.c")
add_executable(7_Taxi_Charging "7_Taxi_Charging.c")
add_executable(8_Data_Range_Judgment "8_Data_Range_Judgment.c")
add_executable(9_Solve_The_Equation_of_Two_Degree_v2 "9_Solve_The_Equation_of_Two_Degree_v2.c")
